The effect of problem-solving and assertiveness training on self-esteem and mental health of female adolescents: a randomized clinical trial.

The findings of the present study showed that educational intervention based on problem-solving and assertiveness can  enhance self-esteem and mental health in students. Future studies are needed to confirm and determine the structure of these associations. Trial Registration IRCT Code: IRCT20171230038142N9. Registration Date: 07/07/2019. Ethics Code: IR.MUI.MED.REC.1398.130.